<script setup>
import { useStore } from 'vuex'
import { computed } from 'vue'
import AppHeader from './components/AppHeader.vue'
const store = useStore() // hooks 编程
console.log(store.state.count);
const count = computed(() => store.state.count)

const increment = () => {
  // 派出 increment action
  store.dispatch('increment')
}

</script>

<template>
  {{ count }}
  <button @click="increment">+</button>
  <AppHeader />
</template>

<style scoped>
.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.vue:hover {
  filter: drop-shadow(0 0 2em #42b883aa);
}
</style>
